Summary

Adobe has released security updates for Adobe Flash Player for Windows, Macintosh and Linux. These updates address critical vulnerabilities that could potentially allow an attacker to take control of the affected system. Adobe is aware of a report that an exploit targeting CVE-2015-5119 has been publicly published.

Affected Versions

Product

Affected Versions

Platform

Adobe Flash Player Desktop Runtime

18.0.0.194 and earlier

Windows and Macintosh

Adobe Flash Player Extended Support Release

13.0.0.296 and earlier

Windows and Macintosh

Adobe Flash Player for Google Chrome

18.0.0.194 and earlier

Windows, Macintosh and Linux

Adobe Flash Player for Internet Explorer 10 and Internet Explorer 11

18.0.0.194 and earlier

Windows 8.0 and 8.1

Adobe Flash Player

11.2.202.468 and earlier

Linux

AIR Desktop Runtime

18.0.0.144 and earlier

Windows and Macintosh

AIR SDK

18.0.0.144 and earlier

Windows, Macintosh, Android and iOS

AIR SDK & Compiler

18.0.0.144 and earlier

Windows, Macintosh, Android and iOS

To verify the version of Adobe Flash Player installed on your system, access the About Flash Player page, or right-click on content running in Flash Player and select "About Adobe (or Macromedia) Flash Player" from the menu. If you use multiple browsers, perform the check for each browser you have installed on your system.

To verify the version of Adobe AIR installed on your system, follow the instructions in the Adobe AIR TechNote.

Solution

Adobe categorizes these updates with the following priority ratings and recommends users update their installation to the newest version:

Adobe recommends users of the Adobe Flash Player Desktop Runtime for Windows and Macintosh update to Adobe Flash Player 18.0.0.203 by visiting the Adobe Flash Player Download Center or via the update mechanism within the product when prompted [1].

Adobe Flash Player installed with Google Chrome will be automatically updated to the latest Google Chrome version, which will include Adobe Flash Player 18.0.0.203 on Windows and Macintosh, and Flash Player 18.0.0.204 on Linux.

Adobe Flash Player installed with Internet Explorer for Windows 8.x will be automatically updated to the latest version, which will include Adobe Flash Player 18.0.0.203.

[1] Users of Flash Player 11.2.x or later for Windows, or Flash Player 11.3.x or later for Macintosh, who have selected the option to 'Allow Adobe to install updates' will receive the update automatically. Users who do not have the 'Allow Adobe to install updates' option enabled can install the update via the update mechanism within the product when prompted.

These updates resolve vulnerabilities that could be exploited to bypass the same-origin-policy and lead to information disclosure (CVE-2014-0578, CVE-2015-3115, CVE-2015-3116, CVE-2015-3125, CVE-2015-5116).

Acknowledgments

Adobe would like to thank the following individuals and organizations for reporting the relevant issues and for working with Adobe to help protect our customers:

Ben Hawkes of Google Project Zero (CVE-2015-4430)

bilou, working with the Chromium Vulnerability Rewards Program (CVE-2015-3118, CVE-2015-3128)